Dog toothbrush



FIG. 1 is a perspective view of a dog toothbrush showing my new design;

FIG. 2 is a top view of the dog toothbrush;

FIG. 3 is a front view of the dog toothbrush;

FIG. 4 is a bottom view of the dog toothbrush;

FIG. 5 is a rear view of the dog toothbrush;

FIG. 6 is a right side view of the dog toothbrush;

FIG. 7 is a left side view of the dog toothbrush; and,

FIG. 8 is a reverse perspective view of the dog toothbrush.

The broken lines illustrate portions of the dog toothbrush that form nopart of the claimed design.

CLAIM The ornamental design for a dog toothbrush, as shown anddescribed.